21023320133333 has 8 divisors (see below), whose sum is σ = 24433882964160. Its totient is φ = 17714565148320.

The previous prime is 21023320133329. The next prime is 21023320133359. The reversal of 21023320133333 is 33333102332012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21023320133333 - 2² = 21023320133329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21023320133296 and 21023320133305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023320132333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25451961008 + ... + 25451961833.

It is an arithmetic number, because the mean of its divisors is an integer number (3054235370520).

Almost surely, 2^{21023320133333} is an apocalyptic number.

It is an amenable number.

21023320133333 is a deficient number, since it is larger than the sum of its proper divisors (3410562830827).

21023320133333 is an equidigital number, since it uses as much as digits as its factorization.

21023320133333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50903922907.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 21023320133333 its reverse (33333102332012), we get a palindrome (54356422465345).

The spelling of 21023320133333 in words is "twenty-one trillion, twenty-three billion, three hundred twenty million, one hundred thirty-three thousand, three hundred thirty-three".